Solid Sheave Pulley With Four Inch Outer Diameter And Three Quarter Inch Bore For V Belt Drives 4L And 5L Two Grooves Hex Set Screws Cast Iron Construction With Keyway High Load Industrial Replacement Part

Single 2BK40 3/4 bore solid pulley, 4 in OD
✔️ 4 in OD, 3/4 in bore, 2-groove pulley for 4L/5L belts; hex set screws, cast iron, keyway

2BK40 3/4 inch bore solid sheave pulley with a 4 inch outer diameter is a durable drive component used with V-belt drives in compact machinery. This piece shines in conveyors, woodworking machines, and general-purpose drive systems where a precise belt fit is required.

✅ 2 grooves for 4L/5L belts
✅ 4 in outer diameter for compact drives
✅ 3/4 in bore accepts standard shafts
✅ Hex set screws lock the pulley to the shaft
✅ Cast iron body with a keyway ensures proper alignment

💡 What is a 4 in OD pulley with a 3/4 bore used for in small drive systems? This handy pulley is designed for compact machinery and drives that require precise belt alignment. - Fits 3/4 in shafts and 4 in outer diameter - Supports 4L and 5L belts for reliable power transfer - Hex set screws and a shaft keyway ensure secure mounting

2BK40 3/4" Bore Solid Sheave Pulley with 4" OD, Hex set screws for V-belts size 4L, 5L 2BK40-3/4"

Outside diameter: 4" inch Bore: 3/4" inch Belt section size: 4L, 5L 2 Grooves One pulley Hex set screws Cast Iron keyway